Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
[Sale on March 22nd at 10 PM] Golden Zircon 0.416ct Loose Stone
Sale price¥9,800
Diamond 0.244ct Loose Stone (F, VS2, Flanders Cut)
Sale price¥39,800
Zimbabwean bi-color euclase from Zimbabwe, 0.109 ct, loose stone
Sale price¥59,800
German Auyinite 3.5mm/0.131ct Loose Stone
Sale price¥29,800
0.175ct loose hot pink sapphire from Mozambique
Sale price¥15,800
Colombian emerald 0.155ct loose stone
Sale price¥29,800
0.338ct Canadian Green Diamond Rough (Sawable) - With Trigons
Sale price¥128,000
Russian Alexandrite 0.091ct Loose Stone
Sale price¥69,800
0.097ct Grandidierite Loose Stone from Madagascar
Sale price¥29,800
Colombian emerald 0.159ct loose stone
Sale price¥47,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
0.343 ct Tanzanite Loose Gemstone from Tanzania
Sale price¥8,800
0.296ct Loose Tanzanite from Tanzania
Sale price¥12,800
Tanzanian Kornerupine 0.132ct Loose Stone
Sale price¥9,800
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sale price¥12,800
Tanzanian Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Cassiterite 4.0mm/0.571ct Loose Stone with Certificate of Authenticity
Sale price¥14,800
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Colombian emerald 3.3mm/0.131ct loose stone
Sale price¥25,800
Brazilian Paraiba Tourmaline 0.115ct Loose (CuO:2.0%, MnO:0.6%)
Sale price¥59,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar, 0.183ct Loose
Sale price¥18,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥18,800
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.221ct Loose Stone
Sale price¥22,800
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
American Peridot 0.283ct Loose Stone
Sale price¥8,800
Colombian emerald 0.176ct loose stone
Sale price¥59,800
Moldavite from the former Czechoslovakia, 0.097ct loose stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.095ct loose stone
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
German Apatite 0.073ct loose stone
Sale price¥32,800
Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.